[aur-general] shotwell / vala / provides() (Re: shotwell...)

[Jan Steffens]

On Mon, Apr 9, 2012 at 5:44 PM, oliver <oliver at first.in-berlin.de> wrote:
> On Mon, Apr 09, 2012 at 05:18:08PM +0200, Jelle van der Waa wrote:
>> On 09/04/12 16:53, oliver wrote:
>> > On Mon, Apr 09, 2012 at 04:23:23PM +0200, Markus Unterwaditzer wrote:
>> >> You should write that into the comments section of the package.
>> > [...]
>> >
>> >
>> > OK, yes, good idea.
>> >
>> > Done.
>> >
>> >
>> > Ciao,
>> >    Oliver
>> Shotwell requires vala > 0.15, we have vala 0.16 in [testing] so the new
>> shotwell is now in [community-testing] along with the updated libgevix.
>> As soon as vala will move, shotwell will move too.
> [...]
>
> When I use
>  http://aur.archlinux.org/packages.php?ID=31429
> to create vala, it builds vala 0.16.0,
> but the package says it provides "vala=0.14.2".
>
> Not sure how such a PKGBUILD must be handled.
> If it says it provides "vala=0.14.2" but
> just downloads the current version via git,
> then the provides-entrx is not correct.
>
> It willö then provide always the newest version.
>
> How to handle this in a package?
> Is the PKGBUILD
>  http://aur.archlinux.org/packages/va/vala-git/PKGBUILD
> correct, or not?
>
> Does a provides-entry make any sense, if there always is the
> current stuff that is downloaded?
>
> If the package PKGBUILD says, that it provides
> vala=0.14.2, then it should only clone the git sources for that
> certain vala version.
>
> So I rather think the PKGBUILD is wrong here.
>
> Are there general rules how to handle this correctly?
>
> Ciao,
>   Oliver

During package(), extract the current version from "configure" using
something like
_providesver="$(awk -F\' '/^PACKAGE_VERSION=/{print $2}' <configure)"
provides=("vala=$_providesver")